31973883432 has 16 divisors (see below), whose sum is σ = 79934708640. Its totient is φ = 10657961136.

The previous prime is 31973883349. The next prime is 31973883437. The reversal of 31973883432 is 23438837913.

It is not an unprimeable number, because it can be changed into a prime (31973883437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666122548 + ... + 666122595.

It is an arithmetic number, because the mean of its divisors is an integer number (4995919290).

Almost surely, 2^31973883432 is an apocalyptic number.

It is an amenable number.

31973883432 is an abundant number, since it is smaller than the sum of its proper divisors (47960825208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31973883432 is a wasteful number, since it uses less digits than its factorization.

31973883432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332245152 (or 1332245148 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The spelling of 31973883432 in words is "thirty-one billion, nine hundred seventy-three million, eight hundred eighty-three thousand, four hundred thirty-two".